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 <title><![CDATA[s7300 cpu314 无法通信&nbsp;&nbsp;急！！ ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746.html]]></link>
 <description><![CDATA[Latest 50 replies of s7300 cpu314 无法通信&nbsp;&nbsp;急！！ ..]]></description>
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 <description><![CDATA[这问题真是匪夷所思，如果没有数据写入只是在线掉线的话，就损坏PLC啦！？？？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#619995.html]]></link>
 <author><![CDATA[my_omron]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 08 Sep 2009 08:46:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[给我们公司看看，我们公司专业维修PLC，触摸屏。电话：010-62322088]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#609574.html]]></link>
 <author><![CDATA[yuer731]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 26 Aug 2009 06:51:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[通信电缆是好的，USB口也换过，清程序也清了看LED指示灯像是清除了，但不肯定。最后没有办法只好邮寄回厂家了
虽然没有解决。但谢谢名位大虾指教！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#609202.html]]></link>
 <author><![CDATA[jrd50702791]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 25 Aug 2009 15:34:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[先PLC总清，再判断故障（你本子上有备份的嗦！）]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#608567.html]]></link>
 <author><![CDATA[lpz800]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Tue, 25 Aug 2009 02:03:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这问题似乎很难用常理解释！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#608065.html]]></link>
 <author><![CDATA[xudonglin_99]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Aug 2009 06:18:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[难道就不可能是编程电缆故障？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#607401.html]]></link>
 <author><![CDATA[布谷鸟]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 23 Aug 2009 06:17:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[换个UBS口试试]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-43746#607379.html]]></link>
 <author><![CDATA[foxplc]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Sun, 23 Aug 2009 05:21:39 +0000]]></pubdate>
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